From owner-freebsd-bugs@freebsd.org Fri Aug 24 02:37:07 2018 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B0776109EFA2 for ; Fri, 24 Aug 2018 02:37:07 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 4A98F72C5B for ; Fri, 24 Aug 2018 02:37:07 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 0F65B109EFA1; Fri, 24 Aug 2018 02:37:07 +0000 (UTC) Delivered-To: bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E1ABC109EFA0 for ; Fri, 24 Aug 2018 02:37:06 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6F3A372C5A for ; Fri, 24 Aug 2018 02:37:06 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 8A00D91C1 for ; Fri, 24 Aug 2018 02:37:05 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w7O2b5BR018454 for ; Fri, 24 Aug 2018 02:37:05 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w7O2b59N018453 for bugs@FreeBSD.org; Fri, 24 Aug 2018 02:37:05 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 230856] tail -f fails unexpectedly with EINTR if truss is run against it. Date: Fri, 24 Aug 2018 02:37:05 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 11.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: jeff.lawson@flightaware.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2018 02:37:07 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230856 Bug ID: 230856 Summary: tail -f fails unexpectedly with EINTR if truss is run against it. Product: Base System Version: 11.1-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: jeff.lawson@flightaware.com obj@tibte:~$ freebsd-version 11.1-RELEASE-p10 obj@tibte:~$ uname -a FreeBSD tibte.hou.flightaware.com 11.1-RELEASE-p10 FreeBSD 11.1-RELEASE-p10= #0: Tue May 8 05:21:56 UTC 2018=20=20=20=20 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 To reproduce, in one shell: obj@tibte:~$ touch dummyfile obj@tibte:~$ tail -f dummyfile=20 In a second shell:=20 obj@tibte:~$ truss -p 46364 # PID of 'tail -f' process write(2,"tail: ",6) =3D 6 (0x6) write(2,"kevent",6) =3D 6 (0x6) write(2,": ",2) =3D 2 (0x2) stat("/usr/share/nls/C/libc.cat",0x7fffffffe2e8) ERR#2 'No such file or directory' stat("/usr/share/nls/libc/C",0x7fffffffe2e8) ERR#2 'No such file or direct= ory' stat("/usr/local/share/nls/C/libc.cat",0x7fffffffe2e8) ERR#2 'No such file = or directory' stat("/usr/local/share/nls/libc/C",0x7fffffffe2e8) ERR#2 'No such file or directory' write(2,"Interrupted system call\n",24) =3D 24 (0x18) sigprocmask(SIG_BLOCK,{ SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTST= P|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|S= IGWINCH|SIGINFO|SIGUSR1|SIGUSR2 },{ }) =3D 0 (0x0) sigprocmask(SIG_SETMASK,{ },0x0) =3D 0 (0x0) sigprocmask(SIG_BLOCK,{ SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTST= P|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|S= IGWINCH|SIGINFO|SIGUSR1|SIGUSR2 },{ }) =3D 0 (0x0) sigprocmask(SIG_SETMASK,{ },0x0) =3D 0 (0x0) sigprocmask(SIG_BLOCK,{ SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTST= P|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|S= IGWINCH|SIGINFO|SIGUSR1|SIGUSR2 },{ }) =3D 0 (0x0) sigprocmask(SIG_SETMASK,{ },0x0) =3D 0 (0x0) exit(0x1)=20 process exit, rval =3D 1 First shell, tail has died: tail: kevent: Interrupted system call --=20 You are receiving this mail because: You are the assignee for the bug.=